213883005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{1999}}^1$

素因数の和:3033

約数の個数: 32

約数和(自身を含む): 391680000

約数和(自身を除く): 177796995

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1019, 1999, 3057, 5095, 5997, 7133, 9995, 13993, 15285, 21399, 29985, 35665, 41979, 69965, 106995, 209895, 2036981, 6110943, 10184905, 14258867, 30554715, 42776601, 71294335, 213883005]

約数ペア:

[(1, 213883005), (3, 71294335), (5, 42776601), (7, 30554715), (15, 14258867), (21, 10184905), (35, 6110943), (105, 2036981), (1019, 209895), (1999, 106995), (3057, 69965), (5095, 41979), (5997, 35665), (7133, 29985), (9995, 21399), (13993, 15285)]